Home / 12,286,341-18,415,161.54-9,243,932.40

Finding the Fourth Proportional to 12,286,341, 18,415,161.54 and 9,243,932.40

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Solution

The fourth proportional to 12,286,341, 18,415,161.54 and 9,243,932.40 is: 13,855,102.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,341 : 18,415,161.54 = 9,243,932.40 : x
  2. Step 2: Convert to fraction form
    12,286,341/18,415,161.54 = 9,243,932.40/x
  3. Step 3: Cross multiply
    12,286,341x = 18,415,161.54 × 9,243,932.40
  4. Step 4: Simplify right side
    12,286,341x = 170,228,508,410,839.91
  5. Step 5: Solve for x
    x = 170,228,508,410,839.91/12,286,341
  6. Step 6: Final answer
    x = 13,855,102.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.